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What is the approximated range of audio frequencies?

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What is the approximated range of audio frequencies?

(a) 20Hz to 20KHz

(b) 20Hz to 200KHz

(c) 10Hz to 10KHz

(d) 20Hz to 20MHz

This question was addressed to me in final exam.

This question is from Generation of VSB in chapter SSB Modulation of Analog Communications

1 Answer

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The correct choice is (a) 20Hz to 20KHz

To explain I would say: The standard fixed range of audio frequencies is from 20HZ to 20 KHz.

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